A nonprofit consumer advocacy group is taking aim at computerized markets, arguing that markets have become too opaque, complex and “riddled with conflicts of interest.” In a 44-page white paper scheduled for release Tuesday, the Consumer Federation of America called for a series of changes to the stock market it said would benefit regular investors. Read More »

IEX Group Inc., the start-up trading venue operator that promises to protect investors from predatory trading activity, has found itself at the center of a fierce debate about just how much of the trading in its dark pool is done by high-frequency trading. It all comes down to how you count the trades. Read More »

Network providers striving for superfast trading speeds have drilled through the Appalachian Mountains and laid fiber optic cables beneath the Arctic ice. But now they are exploring using a new technique in the pursuit of high-speed trading: the humble balloon. Read More »